DEC DEClaser 5100, Service Manual

Page: 29 / 274

1.4 Optional Feeders
Table 1–7 LCIT
!
Alignment pins Mesh with holes in the base of the printer and provide
precise alignment.
"
Oblique rollers Move the sheet through the internal cassette into the
paper feed unit.
#
Paper feed roller Moves a sheet off the stack into the nip of the oblique
rollers.
$
Extender plate Fits on the rear of the LCIT to cover the tail of the longer
cassettes.
%
Control board Operates as a peripheral device to the paper feed
controller board. See Sections 2.1, 6.17.1, and 9.10
for more information.
&
Interface connector A 4-pin connector that connects the LCIT controller board
to the feed unit controller.
'
Size sensing switches Three size sensing switches read the configuration of the
keys on the side of the installed cassette. Table 1–6
shows and describes the size sensing keys. This
information is compared to the selected size by the
firmware. A mismatch causes an error to appear.
There are two sets of size sensing switches: one in
the optional LCIT cassette slot and one in the internal
cassette slot.
(
LCIT cassette
slot Accepts a fixed or universal 500-sheet LCIT cassette. The
500 sheet LCIT cassettes are twice as deep as the 250
sheet internal cassettes.
Physical and Functional Description 1–15